Alert archive / Kansas / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 310, NWS Wichita, KS
NWS Wichita, KS issued this severe thunderstorm warning at Jun 18, 2026, 6:14 PM CDT for Sedgwick County, Sumner County, Kansas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2026, 6:14 PM CDT (23:14 UTC)
- Expired
- Jun 18, 2026, 6:45 PM CDT
- In force
- 31 min
- Issued by
- NWS Wichita, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Sedgwick County, KS, Sumner County, KS
The radar
The Wichita radar (KICT), 27 km from the middle of the area, began a volume at 23:13 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 11.2 hours before the alert went out and 244 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2483 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -251 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
855 WUUS53 KICT 182314 SVRICT KSC173-191-182345- /O.NEW.KICT.SV.W.0310.260618T2314Z-260618T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Wichita KS 614 PM CDT Thu Jun 18 2026 The National Weather Service in Wichita has issued a * Severe Thunderstorm Warning for... Southwestern Sedgwick County in south central Kansas... North central Sumner County in south central Kansas... * Until 645 PM CDT. * At 613 PM CDT, a severe thunderstorm was located over Viola, or 6 miles north of Conway Springs, moving southeast at 30 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Clearwater and Viola. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3745 9774 3754 9772 3750 9745 3736 9749 TIME...MOT...LOC 2313Z 293DEG 25KT 3749 9763 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ DAVIS
1 follow-up statement
858 WWUS53 KICT 182339 SVSICT Severe Weather Statement National Weather Service Wichita KS 639 PM CDT Thu Jun 18 2026 KSC173-191-182348- /O.EXP.KICT.SV.W.0310.000000T0000Z-260618T2345Z/ Sedgwick KS-Sumner KS- 639 PM CDT Thu Jun 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SEDGWICK AND NORTH CENTRAL SUMNER COUNTIES WILL EXPIRE AT 645 PM CDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, heavy rain is still possible with this thunderstorm. Remember, a Severe Thunderstorm Warning still remains in effect for northeastern Sumner county till 700 PM CDT. && LAT...LON 3745 9774 3754 9772 3750 9745 3736 9749 TIME...MOT...LOC 2338Z 293DEG 25KT 3742 9743 $$ DAVIS
The office that day
Everything else NWS Wichita, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 5:49 AM CDT | Severe Thunderstorm Warning | ICT | Cowley, Sumner | 56 min |
| Jun 18, 6:39 AM CDT | Severe Thunderstorm Warning | ICT | Butler, Cowley | 48 min |
| Jun 18, 7:02 AM CDT | Severe Thunderstorm Warning | ICT | Butler, Harvey, Sedgwick | 21 min |
| Jun 18, 7:06 AM CDT | Severe Thunderstorm Warning | ICT | Allen, Woodson | 28 min |
| Jun 18, 9:49 AM CDT | Severe Thunderstorm Warning | ICT | Butler | 41 min |
| Jun 18, 11:34 AM CDT | Severe Thunderstorm Warning | ICT | Cowley | 41 min |
| Jun 18, 12:08 PM CDT | Severe Thunderstorm Warning | ICT | Chautauqua, Cowley | 20 min |
| Jun 18, 12:27 PM CDT | Severe Thunderstorm Warning | ICT | Sumner | 33 min |
| Jun 18, 2:08 PM CDT | Severe Thunderstorm Warning | ICT | Harper | 52 min |
| Jun 18, 2:54 PM CDT | Severe Thunderstorm Warning | ICT | Harper | 37 min |
| Jun 18, 5:23 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick, Sumner | 37 min |
| Jun 18, 5:57 PM CDT | Severe Thunderstorm Warning | ICT | Sumner | 33 min |
| Jun 18, 6:29 PM CDT | Severe Thunderstorm Warning | ICT | Cowley, Sumner | 31 min |
| Jun 18, 6:43 PM CDT | Areal Flood Warning | ICT | Kingman, Sedgwick, Sumner | 6 hr |
Nearby
Severe Thunderstorm Warnings in Kansas, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.